Forgive my stupidity. It took a week of watching these until I bothered to look at the menu itself which includes subtitle option. The reviews are correct, both titles are English subbed. now buy and enjoy.
Try fnac. You should also be aware Gaumont have also released a spectacular 2 BD set of Tih Minh, never before available in anything but desperate backwater boots. Again no English subs, but if you can read French these are a breeze, here's a page link...